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Issue #13964: Split os.*utime*() subsecond tests into multiple tests to help

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This commit is contained in:
Victor Stinner 2012-02-08 03:36:25 +01:00
parent 8b6f10dda2
commit a2f7c00638
2 changed files with 120 additions and 115 deletions
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113
Lib/test/test_os.py
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@ -300,49 +300,86 @@ class StatAttributeTests(unittest.TestCase):
st2 = os.stat(support.TESTFN)
self.assertAlmostEqual(st1.st_mtime, st2.st_mtime, delta=10)
def test_utime_subsecond(self):
def _test_utime_subsecond(self, set_time_func):
asec, amsec = 1, 901
atime = asec + amsec * 1e-3
msec, mmsec = 5, 901
msec, mmsec = 2, 901
mtime = msec + mmsec * 1e-3
filename = self.fname
dirname = os.path.dirname(filename)
for func in ('utime', 'futimes', 'futimens', 'futimesat', 'lutimes', 'utimensat'):
if not hasattr(os, func):
continue
os.utime(filename, (0, 0))
if func == 'utime':
os.utime(filename, (atime, mtime))
elif func == 'futimes':
with open(filename, "wb") as f:
os.futimes(f.fileno(), (atime, mtime))
os.utime(filename, (atime, mtime))
elif func == 'futimens':
with open(filename, "wb") as f:
os.futimens(f.fileno(),
(asec, amsec * 1000000),
(msec, mmsec * 1000000))
elif func == 'lutimes':
os.lutimes(filename, (atime, mtime))
elif func == 'futimesat':
dirfd = os.open(dirname, os.O_RDONLY)
try:
os.futimesat(dirfd, os.path.basename(filename),
(atime, mtime))
finally:
os.close(dirfd)
else:
dirfd = os.open(dirname, os.O_RDONLY)
try:
os.utimensat(dirfd, os.path.basename(filename),
(asec, amsec * 1000000),
(msec, mmsec * 1000000))
finally:
os.close(dirfd)
st = os.stat(filename)
self.assertAlmostEqual(st.st_atime, atime, places=3)
self.assertAlmostEqual(st.st_mtime, mtime, places=3)
os.utime(filename, (0, 0))
set_time_func(filename, atime, mtime)
st = os.stat(filename)
self.assertAlmostEqual(st.st_atime, atime, places=3)
self.assertAlmostEqual(st.st_mtime, mtime, places=3)
def test_utime_subsecond(self):
def set_time(filename, atime, mtime):
os.utime(filename, (atime, mtime))
self._test_utime_subsecond(set_time)
@unittest.skipUnless(hasattr(os, 'futimes'),
"os.futimes required for this test.")
def test_futimes_subsecond(self):
def set_time(filename, atime, mtime):
with open(filename, "wb") as f:
os.futimes(f.fileno(), (atime, mtime))
self._test_utime_subsecond(set_time)
@unittest.skipUnless(hasattr(os, 'futimens'),
"os.futimens required for this test.")
def test_futimens_subsecond(self):
def set_time(filename, atime, mtime):
with open(filename, "wb") as f:
asec, ansec = divmod(atime, 1.0)
asec = int(asec)
ansec = int(ansec * 1e9)
msec, mnsec = divmod(mtime, 1.0)
msec = int(msec)
mnsec = int(mnsec * 1e9)
os.futimens(f.fileno(),
(asec, ansec),
(msec, mnsec))
self._test_utime_subsecond(set_time)
@unittest.skipUnless(hasattr(os, 'futimesat'),
"os.futimesat required for this test.")
def test_futimesat_subsecond(self):
def set_time(filename, atime, mtime):
dirname = os.path.dirname(filename)
dirfd = os.open(dirname, os.O_RDONLY)
try:
os.futimesat(dirfd, os.path.basename(filename),
(atime, mtime))
finally:
os.close(dirfd)
self._test_utime_subsecond(set_time)
@unittest.skipUnless(hasattr(os, 'lutimes'),
"os.lutimes required for this test.")
def test_lutimes_subsecond(self):
def set_time(filename, atime, mtime):
os.lutimes(filename, (atime, mtime))
self._test_utime_subsecond(set_time)
@unittest.skipUnless(hasattr(os, 'utimensat'),
"os.utimensat required for this test.")
def test_utimensat_subsecond(self):
def set_time(filename, atime, mtime):
dirname = os.path.dirname(filename)
dirfd = os.open(dirname, os.O_RDONLY)
try:
asec, ansec = divmod(atime, 1.0)
asec = int(asec)
ansec = int(ansec * 1e9)
msec, mnsec = divmod(mtime, 1.0)
msec = int(msec)
mnsec = int(mnsec * 1e9)
os.utimensat(dirfd, os.path.basename(filename),
(asec, ansec),
(msec, mnsec))
finally:
os.close(dirfd)
self._test_utime_subsecond(set_time)
# Restrict test to Win32, since there is no guarantee other
# systems support centiseconds